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Warning: preg_match_all() [function.preg-match-all]: Compilation failed: range out of order in character class at offset 76 in C:\xampp\htdocs\extracter.php on line 7

hey i am not able to figure out what kind of warning is this?

the line 7 is this in the code

preg_match_all("/(http:\/\/)?(www.)?rapidshare\.com\/[0-9A-Za-z]+\/[0-9A-Za-z]+\/[0-9A-Za-z_-.]+/",$contents1,$out1);
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Member Avatar for pritaeas

the minus in the last part should be escaped:

preg_match_all("/(http:\/\/)?(www.)?rapidshare\.com\/[0-9A-Za-z]+\/[0-9A-Za-z]+\/[0-9A-Za-z_\-.]+/",$contents1,$out1);
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